For a "post-racial" society, we sure talk about race a lot. And not for the first time.
50 years ago, a commission appointed by President Lyndon Johnson to investigate the 1967 race riots issued a report that shocked just about everyone and produced little to no action.
Historian Steven Gillon pulls off that scab in his book Separate and Unequal: The Kerner Commission and the Unraveling of American Liberalism.
The author visits to talk about what didn't happen then, and what's happening now.